Hi Tony,
On Mon, Mar 9, 2015 at 8:26 AM, Zheng Tao-B46827 <b46827@xxxxxxxxxxxxx> wrote:
>
>
> On 3/4/2015 7:43 PM, Lukasz Rymanowski wrote:
>>
>> Hi Tony,
>>
>> On Mon, Mar 2, 2015 at 7:54 AM, Zheng Tao-B46827 <b46827@xxxxxxxxxxxxx>
>> wrote:
>>>
>>> On 2/14/2015 12:02 AM, Lukasz Rymanowski wrote:
>>>>
>>>> Hi Tony,
>>>>
>>>> On Thu, Feb 12, 2015 at 3:22 AM, Zheng Tao-B46827 <b46827@xxxxxxxxxxxxx>
>>>> wrote:
>>>>>
>>>>> Hi, Lukasz
>>>>>
>>>>>
>>>>> On 2/11/2015 7:41 PM, Lukasz Rymanowski wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> On Wed, Feb 11, 2015 at 10:37 AM, Zheng Tao-B46827
>>>>>> <b46827@xxxxxxxxxxxxx>
>>>>>> wrote:
>>>>>>>
>>>>>>> Hi, Lukasz
>>>>>>> Thanks for your reply. Following you steps, the previous problem has
>>>>>>> been
>>>>>>> resolved, but it seems that the connection is not stable. When I
>>>>>>> execute
>>>>>>> av
>>>>>>> connect, I can hear "Connected" from my Bluetooth headset, but it
>>>>>>> will
>>>>>>> be
>>>>>>> disconnected immediately which i can hear "disconnected". And it
>>>>>>> will
>>>>>>> prompt "I/bluetoothd( 1061): bluetoothd[1062]: Unable to find
>>>>>>> matching
>>>>>>> endpoint". Is this a bug? can you give some advise?
>>>>>>>
>>>>>>>> av connect 24:fd:52:b6:a0:99
>>>>>>>
>>>>>>> connection_state: connection_state=BTAV_CONNECTION_STATE_CONNECTING
>>>>>>> remote_bd_addr=24:fd:52:b6:a0:99
>>>>>>> if_av->connect: BT_STATUS_SUCCESS
>>>>>>>>
>>>>>>>> D/BlueZ ( 1060):
>>>>>>>> external/bluetooth/bluez/android/hal-a2dp.c:a2dp_connect()
>>>>>>>
>>>>>>> acl_state_changed_cb: status=BT_STATUS_SUCCESS
>>>>>>> remote_bd_addr=24:fd:52:b6:a0:99 state=BT_ACL_STATE_CONNECTED
>>>>>>>>
>>>>>>>> D/BlueZ ( 1060):
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> external/bluetooth/bluez/android/hal-bluetooth.c:handle_acl_state_changed()
>>>>>>>> state 0
>>>>>>>
>>>>>>> connection_state: connection_state=BTAV_CONNECTION_STATE_DISCONNECTED
>>>>>>> remote_bd_addr=24:fd:52:b6:a0:99
>>>>>>>>
>>>>>>>> I/bluetoothd( 1061): bluetoothd[1062]: Unable to find matching
>>>>>>>> endpoint
>>>>>>
>>>>>> Here is the clue.
>>>>>>
>>>>>> Can you provide btmon logs?
>>>>>
>>>>> I found this log when execute av connect command:
>>>>> < HCI Command: Disconnect (0x01|0x0006) plen 3 [hci0] 215.582054
>>>>> Handle: 71
>>>>> Reason: Remote User Terminated Connection (0x13)
>>>>> I doubt that why "Remote User Terminated Connection", because when I
>>>>> heard
>>>>> "connected" from Bluetooth headset and I have done nothing with it.
>>>>> The
>>>>> full log when execute av connect command is attached. Thanks.
>>>>>
>>>> From your logs I see that we did discover SEPs on your Jabra device
>>>> and got capabilities of SBC SNK endpoint.
>>>> Then we want to connect that SEP to our SRC endpoint but it is
>>>> actually not there.
>>>>
>>>> After that I realized that I told you to do "av connect" before
>>>> actually "audio init" and that is wrong.
>>>> "Audio init" does register your SRC endpoints. So you should do that
>>>> and after that try "av connect"
>>>>
>>>>
>>>> BR
>>>> Lukasz
>>>
>>> Sorry to reply to you so late for Chinese New Year. Do you mean to follow
>>> steps like this:
>>>
>>> 1. bluetooth init
>>> 2. bluetooth enable
>>> 3. bluetooth get_profile_interface a2dp
>>> 4. bluetooth start_discovery
>>> 5. bluetooth create_bond xxxxxxxx
>>> 6. audio init
>>> 7. av connect xxxxxxxx
>>> 8. audio open_output_stream
>>>
>> You got BT_STATUS_NOT_READY because a2dp was not initialized
>>
>> Actually you should have smth like this:
>>
>> 1. bluetooth init
>> 2. bluetooth enable
>> 3. bluetooth get_profile_interface a2dp
>> 4. bluetooth start_discovery
>> 5. bluetooth create_bond xxxxxxxx
>>
>> 6. av init <--- this will initiate a2dp profile
>>
>> 7. audio init <--- this will setup endpoinds
>> 8. av connect xxxxxxxx
>> 9. audio open_output_stream
>>
>> After that you can try:
>>
>> 10. audio play
>>
>> If still there is some issue please send full logs
>>
>> \Lukasz
>
> Sorry. I find that there are some wrong with my email client and you don't
> receive this email. So, resend this email. Thanks for your detailed steps.
> Through some tuning, I can connect to Jabra device, but it
> open_output_stream failed.
> 1. bluetooth init
> 2. bluetooth enable
> 3. bluetooth get_profile_interface a2dp
> 4. bluetooth start_discovery
> 5. bluetooth create_bond xxxxxxxx
> 6. audio init
> 7. av init
> 8. av connect xxxxxxxx
> 9. audio open_output_stream
>
> After executing "av connect", I can ensure that the connected state is
> stable(NO disconnected automatically), but it will prompt "/bluetoothd(
> 1109): bluetoothd[1110]: SET_CONFIGURATION request rejected: Configuration
> not supported (41)". When executing "audio open_output_stream", it will
> prompt "I/bluetoothd( 1086): bluetoothd[1087]: Unable to find stream for
> endpoint 0". Is this a blueZ bug for Android?
This is actually interesting.
The only idea I have now is that there is something wrong with byte order
When you look into SET_CONFIGURATION package:
< ACL Data TX: Handle 71 flags 0x00 dlen 18 [hci0] 378.410443
Channel: 192 len 14 [PSM 25 mode 0] {chan 0}
20 03 04 04 01 00 07 06 00 00 12 51 02 35
it seems like SBC codec information is switched.
there is "12 51" probably should be "21 15".
With "12 51" block length, subband and allocation method are
corrupted if I decode it correctly. That would
explain why remote device reject those settings.
For what machine you are building? Could you check what endianness you
are using (a2dp-codecs.h)?
\Łukasz
> The attachment #1 is logcat information. #2 is btmon information.
>>
>>
>>> But in this way, when I execute "audio init", I will return back the
>>> initial
>>> problems:
>>> "D/BlueZ ( 1033):
>>> external/bluetooth/bluez/android/hal-audio.c:ipc_handler() Waiting for
>>> connection ..."
>>> and when execute "av connect xxxxxxxx", it will prompt "if_av->connect:
>>> BT_STATUS_NOT_READY".
>>>>>>>
>>>>>>> acl_state_changed_cb: status=BT_STATUS_SUCCESS
>>>>>>>
>>>>>>> remote_bd_addr=24:fd:52:b6:a0:99 state=BT_ACL_STATE_DISCONNECTED
>>>>>>>>
>>>>>>>> D/BlueZ ( 1060):
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> external/bluetooth/bluez/android/hal-bluetooth.c:handle_acl_state_changed()
>>>>>>>> state 1
>>>>>>>
>>>>>>>
>>>>>> \Łukasz
>>>>>>
>>>>>>> On 2/11/2015 4:16 PM, Lukasz Rymanowski wrote:
>>>>>>>>
>>>>>>>> Hi Tony,
>>>>>>>>
>>>>>>>> On Tue, Feb 10, 2015 at 2:51 AM, Zheng Tao-B46827
>>>>>>>> <b46827@xxxxxxxxxxxxx>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> Hi, Peers
>>>>>>>>>
>>>>>>>>> Thanks for your hard work that let us can experience BlueZ for
>>>>>>>>> Android.
>>>>>>>>> But
>>>>>>>>> I am faced with a audio/a2dp problems that stick me many weeks.
>>>>>>>>>
>>>>>>>>> I’m try to port Bluez to kitkat 4.4.3, and many common profiles,
>>>>>>>>> such
>>>>>>>>> as
>>>>>>>>> HIDP/FTP/GATT can function successfully. But the A2DP profile
>>>>>>>>> failed.
>>>>>>>>>
>>>>>>>>> So, I try to debug it using haltest tool as follows(with USB
>>>>>>>>> Bluetooth
>>>>>>>>> Dongle):
>>>>>>>>>
>>>>>>>>> 1.bluetooth init
>>>>>>>>>
>>>>>>>>> 2.bluetooth enable
>>>>>>>>>
>>>>>>>>> 3.bluetooth get_profile_interface a2dp
>>>>>>>>>
>>>>>>>>> 4.bluetooth start_discovery
>>>>>>>>>
>>>>>>>>> 5.bluetooth create_bond xxxxxxxx
>>>>>>>>>
>>>>>>>> Here you should setup A2DP using "av connect <bdaddr>." (don't
>>>>>>>> forget
>>>>>>>> to do av init before.) Once you are connected you can open stream.
>>>>>>>>
>>>>>>>>
>>>>>>>>> 6.audio init
>>>>>>>>>
>>>>>>>>> 7.audio open_output_stream
>>>>>>>>>
>>>>>>>>> Then it will prompts:
>>>>>>>>>
>>>>>>>>> D/BlueZ ( 1106):
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> external/bluetooth/bluez/android/hal-audio.c:audio_open_output_stream()
>>>>>>>>>
>>>>>>>>> D/BlueZ ( 1106):
>>>>>>>>> external/bluetooth/bluez/android/hal-audio.c:ipc_open_stream_cmd()
>>>>>>>>>
>>>>>>>>> E/BlueZ ( 1106): audio: Invalid cmd socket passed to
>>>>>>>>> audio_ipc_cmd
>>>>>>>>>
>>>>>>>>> E/BlueZ ( 1106): audio: cannot open output stream
>>>>>>>>>
>>>>>>>>> when I debug it , I found that
>>>>>>>>>
>>>>>>>>> BlueZ ( 1106):
>>>>>>>>> external/bluetooth/bluez/android/hal-audio.c:ipc_handler()
>>>>>>>>> Waiting for connection ...
>>>>>>>>>
>>>>>>>>> And it seems that there is no audio socket to connect it.
>>>>>>>>>
>>>>>>>>> I’m not familiar with Bluez stack details, can you give some
>>>>>>>>> advice?
>>>>>>>>> What
>>>>>>>>> should I do to enable audio/a2dp functionality and execute audio
>>>>>>>>> play
>>>>>>>>> command? Thanks.
>>>>>>>>
>>>>>>>>
>>>>>>>> \Lukasz
>>>>>>>>
>>>>>>>>> ----------------------------------------------
>>>>>>>>>
>>>>>>>>> *Best Regards!*
>>>>>>>>>
>>>>>>>>> Tony Zheng
>>>>>>>>>
>>>>>>>>> --
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>>>>>>>>> linux-bluetooth"
>>>>>>>>> in
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>>>>>>>
>>>>>>>
>
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